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Question: From San Jose, California, USA: I just had a three-hour glucose tolerance test and would like to know the diagnostic criteria. Answer: Nowadays, there is a tendency to use fasting blood glucose levels only for the diagnosis of diabetes. The American Diabetes Association criteria are that fasting levels less than 110 mg/dl [6.1 mmol/L] are normal, between 110 and 125 mg/dl [6.1 and 6.9 mmol/L] is considered impaired glucose tolerance, and over 125 mg/dl [6.9 mmol/L] is overt diabetes. The advantage of the impaired glucose tolerance category is that it gives people whose history may be suggestive of type 2 a chance to see if exercise and weight reduction can lead to an improvement. For people under their mid-twenties, it gives an opportunity to confirm variants of Type 1 diabetes without committing to insulin. The WHO's (World Health Organisation) criteria are that fasting levels greater than 140 mg/dl [7.8 mmol/L] are diagnostic and that two-hour levels between 140 and 199 mg/dl [7.8 and 11.0 mmol/L] indicate impaired glucose tolerance, and the values greater than 200 mg/dl [11.1 mmol/L] are, again diagnostic of diabetes. DOB DTQ-20000907175722 Original posting 18 Oct 2000 Posted to Diagnosis and Symptoms

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			Jump to a new section --[ Getting Around ]-- Home Page What's New Privacy Policy Search --[ People ]-- Family Support Network Adults with Diabetes Care Photos Chat Rooms Conferences Kids with Diabetes Parents Parent Humor Scholarships and Financial Aid Grandparents Humorous Tidbits Jobs Mailing Lists CWD Forums Poetry and Art Videos Polls Quilt for Life Surveys Blogs --[ Clinic ]-- Ask the Diabetes Team Alternate Site Testing Alternative Treatments Care Suggestions CWD Español Diabetes Basics Diabetes at School 504 Plans Diabetes Camps Diabetes Dictionary Insulin Pumps Nutrition Podcasts Presentations Products Product Marketplace Sports Studies Warning Signs --[ Sources ]-- News and Information Diabetes Advocacy Links to Other Web Sites Press Releases Regional Information Services Support Groups --[ Feedback ]-- About CWD Advertise Awards Contribute Your Experiences Disclaimer Letters to the Editor Logos and Linking Share our Brochures

Last Updated: Tuesday April 06, 2010 15:09:13
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